Tuesday, July 30, 2013

FlisKits MMX Saturn V Build Part 7, Drag Shroud & Launch Lug



The drag shroud is printed in black on 110 lb. card stock.

Before cutting out the shroud, the launch lug hole was made using the smaller barrels of the rotary punch. The lug hole is oval shaped.
A larger center hole was punched, two smaller holes were punched outside of that to make the oval.




The white edge was blackened with a Sharpie.
To show the difference, only the bottom half (near my thumb) has been blackened.
Most people use too much white glue when joining the edges of a shroud. You only need a very thin coat.

After you are sure the tab alignment is correct you can burnish the tab down rolling a dowel over the glued area. I set another dowel inside the shroud for a still backing.

Inset picture: the hole needed to be widened slightly to fit over the engine mount tube. I flared out the opening with a dowel.



TIP: The edge of the shroud was hardened  and "set" with a coat of medium CA.
This will waterproof the edge and protect it from a wet grass landing.

The supplied launch lug is 2" long. It seemed too long when set down the side of the small model. (Upper picture)

I cut the lug in two an it seemed less noticeable. It should still be plenty long for a stable slight off a MMX launch rod.

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